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AASHTO TP 128-17 (2021)

Standard Method of Test for Evaluation of Oxidation Level of Asphalt Mixtures by a Portable Infrared Spectrometer

standard by American Association of State and Highway Transportation Officials , 2017

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This method covers the measurement of the oxidation signal in an asphalt mixture by a portable infrared spectrometer (PIRS) equipped with a diffuse reflectance accessory. Three oxidation signals are compared: (1) the in-place pavement, (2) asphalt mixture production sample, and (3) the approved job mixture formula specimen. The oxidation signals are determined from a specified peak value from the absorbance spectrum of the asphalt samples.

The in-place pavement PIRS oxidation signal can be used to assess its aging rate. The pavement aging rate is determined by comparing its initial PIRS oxidation signal with successive PIRS oxidation signals obtained at some defined frequency.

 

Product Details

Published:
2017
Number of Pages:
9
File Size:
1 file , 1.4 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. AASHTO TP 128-22


    Standard Method of Test for Evaluation of Oxidation Level of Asphalt Mixtures by a Portable Infrared Spectrometer

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  2. AASHTO TP 128-17 (2021)

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    Standard Method of Test for Evaluation of Oxidation Level of Asphalt Mixtures by a Portable Infrared Spectrometer

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